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Aviation History
1933
1933 - 0816.PDF
FLIGHT, OCTOBER 19, 1933 and sight can be very easily taken off by just removing eight bolts. The cocking handle is on the right-hand side of the cockpit, and is connected by a cotter pin to the lever which acts on the gun. The trigger is a little lever attached to the front of the joy stick and connected to the gun by a Bowden cable. The mounting for the sights is on the right side of the fuselage in front of the cock pit, the ordinary ring and bead sights can be fitted, or an Aldis Telescopic Gun Sight for long-distance firing. The ammunition box can be taken out and refilled without disturbing the rest of the mounting. Tests with propeller speeds varying between 800 and 2,400 r.p.m., were done S S S with the following results: pulling over the propeller by hand the first round penetrated the disc attached to the propeller 19| degrees after top dead centre; dispersion throughout the entire speed range occurred between the angles 45 and 86 degrees. The machine looks a very nice little job and should be very useful for ground straffing, for which purpose it was probably designed more than for actual aerial fighting. It can easily be converted into a trainer by the removal of the gun and bomb racks. A detachment of this machine has been ordered by a foreign Government and has already been packed up for dispatch. ESS THE DETROYAT-FIESLER AEROBATICS MATCH T 'HE international Franco-German stunt-flying match between Michel Detroyat and Gerhardt Fiesler, leading aces of their respective countries, took place at the Morane-Saulnier Aerodrome at Villa- coublay (near Versailles) on Sunday, October 8, last. This exhibition attracted an enormous crowd, estimated at over 100,000 people. All the enclosures within the large field were packed, and the various routes leading to the aero drome were jammed long before the match started. There were also exhibitions of acrobatic flying performed by the French and German aviatrices, Helene Boucher, the pupil of Detroyat, and Vera von Bissing. who has been in^ structed by Fiesler. Four parachute jumps were also on the programme. The regulations and conditions governing the Detroyat- Fiesler match were prepared by the Contest Committee of the Aero Club of France. The award of points was made by an international jury composed of Col. Del Ducca Ducca (Italy), President (the Commandant of a School of Acro batic Flying) ; Maj. Willy Coppens de Houthulst (Bel gium) (Belgian Air Attache at Paris) ; Lt. Lecarme (France) (Test Section of the Service Technique) ; Herr von Beaulieu (Germany) (German Aviation Official) ; Maj. Burckhardt (Switzerland) (Commandant of the Dubendorf (Zurich) Air Station). The match was divided into two parts. In the first one each pilot flew his own plane ; in the second. Detroyat and Fiesler changed machines. The first part of the match was composed of (l) a flight of 9 min. maximum duration, in which figures (stunts) designated by the jury were to be executed ; (2) an acro batic flight of 10 min. maximum duration, in which the stunts to be performed were left to the choice of the con testant himself. He was required to submit a list of the different figures that he proposed to execute to the Presi dent of the Jury in a sealed envelope, which was opened when he took off. There was no restriction placed on the altitude at which the figures in these first two flights could be performed. Award of Points (a) In the first flight, which Consisted of figures pre viously designated by the jury, points were awarded according to a possible maximum of 100, 0-10 points being given for each of the figures required to be performed, according to the skill of the contestant in executing them. (£>) In the second flight, which was composed of evolu tions chosen by the pilot himself, the jury took into con sideration the skill of the contestant in executing the various figures, together with their variety, originality and the difficulty of performing them. In the second part of the match Detroyat and Fiesler changed planes and performed practically the same pro gramme as in the first part of the contest. To win the match one of the contestants must have surpassed the other by more than 3 per cent, of the average points awarded. Detroyat flew a Morane-Saulnier single-seater, parasol monoplane, type 225, equipped with a Gnome & Rhone 9KBRs, 9-cylinder, radial, air-cooled, 500-h.p., geared 3: 2 engine, supercharged to 4,000 metres. His plane had a maximum speed of 330 km./hr. Fiesler piloted a plane of his own make, constructed with bi-convex wings especially adapted for inverted fly ing. The machine was equipped with a Walter 420-h.p., radial, air-cooled engine, and had a maximum speed of 240 km./hr. The skill and ability of both pilots were greatly admired, but as they performed their various figures, Detroyat seemed to appear more souple, and executed his stunts in a smooth, continuous manner ; Fiesler, on the other hand, appeared to be more studied and methodical. Amongst other figures, the sharp vertical climbs executed by Detroyat, terminating in barrel rolls, and his inverted flying, called forth especial applause. Detroyat also executed some 28 figures in the second interval of the first part of the match, while Fiesler performed only 18. In the first part of the match Detroyat received 183 points, while Fiesler was awarded 180 by the judges. In the second part of the match, when the contestants changed planes, Detroyat again seemed to have the advan tage, as he handled the German plane more easily than Fiesler did the French plane of his opponent. He was awarded 188 points to 182 given Fiesler. This gave an average of 185.5 points to Detroyat and 181 to Fiesler. As neither had acquired more than the necessary 3 per cent., the match was declared a draw. R. C. W. THb RIVALS : On the left is Michel Detroyat's Morane- Saulnier parasol monoplane, and on the right is Fiesler s special aerobatic biplane, Tiger II. i s m flying boats, we have been asked to point out that Mr. Rennie is, as Chief Seaplane Designer, entirely respon sible, technically, for all flying-boat design. Designer of "Iris" Flying Boats IN connection with our reference last week to Mr. J. D. Rennie's work as designer of the Blackburn " Iris " 1054
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